Solve for kkk: 5k−4−2k+1=0\frac{5}{k-4} - \frac{2}{k+1} = 0k−45−k+12=0.
k=3k = 3k=3
k=−13k = -13k=−13
k=13k = 13k=13
k=−3k = -3k=−3